Hello I used http://win-x.co.cc and http://lifehacker.com/386526/slipstream-service-pack-3-into-your-windows-xp-installation-cd to delete unnecessary items ( Language, MSN, Messanger and make a few tweeks) to make a up to date XP Home CD and it will not let me enter the product key it says it is invalid not correct key. It is a OEM disc SP1 slipped to SP3. I did not unattend the key in Nlite. I made a XP PRo SP3 with WMP11 and IE8 disk the same way and that works just fine with the same features. I did this all on Windows 7 x64 Last Session (2011.01.02-19.53.15).ini Last Session (2011.01.02-19.58.31).ini